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ThinkRank AI SEO – AI SEO Plugin for WordPress: Schema, XML Sitemaps, Meta Tags, Search Console & Local SEO / 1.1.0
ThinkRank AI SEO – AI SEO Plugin for WordPress: Schema, XML Sitemaps, Meta Tags, Search Console & Local SEO v1.1.0
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thinkrank / includes / seo / class-content-optimization-manager.php

class-content-optimization-manager.php in ThinkRank AI SEO – AI SEO Plugin for WordPress: Schema, XML Sitemaps, Meta Tags, Search Console & Local SEO 1.1.0, at includes/seo/class-content-optimization-manager.php

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1 <?php
2 /**
3 * Content Optimization Manager Class
4 *
5 * Advanced content optimization engine with real-time scoring, SEO templates,
6 * performance tracking, and integration with AI Content Analyzer. Implements
7 * 2025 SEO best practices with industry-standard optimization algorithms.
8 *
9 * @package ThinkRank
10 * @subpackage SEO
11 * @since 1.0.0
12 */
13
14 declare(strict_types=1);
15
16 namespace ThinkRank\SEO;
17
18 /**
19 * Content Optimization Manager Class
20 *
21 * Provides comprehensive content optimization with real-time scoring,
22 * SEO templates, performance tracking, and actionable recommendations
23 * integrated with AI Content Analyzer for complete optimization workflow.
24 *
25 * @since 1.0.0
26 */
27 class Content_Optimization_Manager extends Abstract_SEO_Manager {
28
29 /**
30 * Content optimization scoring weights (2025 SEO standards)
31 *
32 * @since 1.0.0
33 * @var array
34 */
35 private array $optimization_weights = [
36 'content_quality' => 25, // Content depth, uniqueness, value
37 'keyword_optimization' => 20, // Keyword usage and distribution
38 'readability' => 15, // Reading ease and comprehension
39 'structure' => 15, // Headings, paragraphs, formatting
40 'technical_seo' => 10, // Meta tags, URLs, schema
41 'user_experience' => 10, // Engagement signals, CTR optimization
42 'semantic_relevance' => 5 // Topic relevance and entity coverage
43 ];
44
45 /**
46 * SEO content templates for different content types
47 *
48 * @since 1.0.0
49 * @var array
50 */
51 private array $content_templates = [
52 'blog_post' => [
53 'min_word_count' => 300,
54 'optimal_word_count' => 1500,
55 'max_word_count' => 3000,
56 'heading_structure' => [
57 'h1_count' => 1,
58 'h2_min' => 2,
59 'h2_max' => 8,
60 'h3_max' => 15
61 ],
62 'keyword_density' => [
63 'primary' => [1.0, 3.0],
64 'secondary' => [0.5, 2.0],
65 'long_tail' => [0.1, 1.0]
66 ],
67 'content_elements' => [
68 'introduction' => ['min_words' => 50, 'max_words' => 150],
69 'conclusion' => ['min_words' => 50, 'max_words' => 200],
70 'images' => ['min' => 1, 'optimal' => 3],
71 'internal_links' => ['min' => 2, 'optimal' => 5],
72 'external_links' => ['min' => 1, 'optimal' => 3]
73 ]
74 ],
75 'product_page' => [
76 'min_word_count' => 150,
77 'optimal_word_count' => 500,
78 'max_word_count' => 1000,
79 'heading_structure' => [
80 'h1_count' => 1,
81 'h2_min' => 1,
82 'h2_max' => 5,
83 'h3_max' => 10
84 ],
85 'keyword_density' => [
86 'primary' => [1.5, 4.0],
87 'secondary' => [0.5, 2.5],
88 'long_tail' => [0.2, 1.5]
89 ],
90 'content_elements' => [
91 'product_description' => ['min_words' => 100, 'max_words' => 300],
92 'features' => ['min_items' => 3, 'max_items' => 10],
93 'images' => ['min' => 3, 'optimal' => 8],
94 'reviews_section' => ['required' => true],
95 'related_products' => ['min' => 3, 'optimal' => 6]
96 ]
97 ],
98 'landing_page' => [
99 'min_word_count' => 400,
100 'optimal_word_count' => 1200,
101 'max_word_count' => 2500,
102 'heading_structure' => [
103 'h1_count' => 1,
104 'h2_min' => 3,
105 'h2_max' => 6,
106 'h3_max' => 12
107 ],
108 'keyword_density' => [
109 'primary' => [1.5, 3.5],
110 'secondary' => [0.8, 2.5],
111 'long_tail' => [0.3, 1.5]
112 ],
113 'content_elements' => [
114 'hero_section' => ['min_words' => 30, 'max_words' => 80],
115 'value_proposition' => ['min_words' => 50, 'max_words' => 150],
116 'benefits' => ['min_items' => 3, 'max_items' => 6],
117 'social_proof' => ['required' => true],
118 'call_to_action' => ['min' => 2, 'optimal' => 4]
119 ]
120 ],
121 'category_page' => [
122 'min_word_count' => 200,
123 'optimal_word_count' => 800,
124 'max_word_count' => 1500,
125 'heading_structure' => [
126 'h1_count' => 1,
127 'h2_min' => 2,
128 'h2_max' => 6,
129 'h3_max' => 10
130 ],
131 'keyword_density' => [
132 'primary' => [1.0, 3.0],
133 'secondary' => [0.5, 2.0],
134 'long_tail' => [0.2, 1.0]
135 ],
136 'content_elements' => [
137 'category_description' => ['min_words' => 100, 'max_words' => 300],
138 'subcategories' => ['min' => 2, 'optimal' => 8],
139 'featured_products' => ['min' => 6, 'optimal' => 12],
140 'filters' => ['required' => true],
141 'breadcrumbs' => ['required' => true]
142 ]
143 ]
144 ];
145
146 /**
147 * Performance tracking metrics
148 *
149 * @since 1.0.0
150 * @var array
151 */
152 private array $performance_metrics = [
153 'optimization_score' => [
154 'weight' => 30,
155 'target' => 85,
156 'calculation' => 'weighted_average'
157 ],
158 'content_quality_score' => [
159 'weight' => 25,
160 'target' => 80,
161 'calculation' => 'ai_analysis'
162 ],
163 'keyword_performance' => [
164 'weight' => 20,
165 'target' => 75,
166 'calculation' => 'density_distribution'
167 ],
168 'readability_score' => [
169 'weight' => 15,
170 'target' => 70,
171 'calculation' => 'flesch_kincaid'
172 ],
173 'technical_seo_score' => [
174 'weight' => 10,
175 'target' => 90,
176 'calculation' => 'compliance_check'
177 ]
178 ];
179
180 /**
181 * Optimization recommendation priorities
182 *
183 * @since 1.0.0
184 * @var array
185 */
186 private array $recommendation_priorities = [
187 'critical' => [
188 'score_threshold' => 40,
189 'impact' => 'high',
190 'urgency' => 'immediate',
191 'color' => '#dc3545'
192 ],
193 'high' => [
194 'score_threshold' => 60,
195 'impact' => 'high',
196 'urgency' => 'soon',
197 'color' => '#fd7e14'
198 ],
199 'medium' => [
200 'score_threshold' => 75,
201 'impact' => 'medium',
202 'urgency' => 'moderate',
203 'color' => '#ffc107'
204 ],
205 'low' => [
206 'score_threshold' => 85,
207 'impact' => 'low',
208 'urgency' => 'when_possible',
209 'color' => '#28a745'
210 ],
211 'optimal' => [
212 'score_threshold' => 100,
213 'impact' => 'maintenance',
214 'urgency' => 'none',
215 'color' => '#20c997'
216 ]
217 ];
218
219 /**
220 * Constructor
221 *
222 * @since 1.0.0
223 */
224 public function __construct() {
225 parent::__construct('content_optimization_manager');
226 }
227
228 /**
229 * Optimize content with comprehensive analysis and recommendations
230 *
231 * @since 1.0.0
232 *
233 * @param string $content Content to optimize
234 * @param array $keywords Target keywords
235 * @param string $content_type Content type (blog_post, product_page, etc.)
236 * @param array $options Optimization options
237 * @return array Comprehensive optimization results
238 */
239 public function optimize_content(string $content, array $keywords = [], string $content_type = 'blog_post', array $options = []): array {
240 $optimization = [
241 'content_analysis' => [],
242 'optimization_score' => 0,
243 'template_compliance' => [],
244 'recommendations' => [],
245 'performance_metrics' => [],
246 'optimization_opportunities' => [],
247 'content_suggestions' => [],
248 'optimization_timestamp' => current_time('mysql')
249 ];
250
251 // Get AI Content Analyzer results
252 $ai_analyzer = new AI_Content_Analyzer();
253 $optimization['content_analysis'] = $ai_analyzer->analyze_content($content, $keywords, $options);
254
255 // Analyze template compliance
256 $optimization['template_compliance'] = $this->analyze_template_compliance($content, $content_type, $keywords);
257
258 // Calculate comprehensive optimization score
259 $optimization['optimization_score'] = $this->calculate_comprehensive_optimization_score(
260 $optimization['content_analysis'],
261 $optimization['template_compliance']
262 );
263
264 // Generate performance metrics
265 $optimization['performance_metrics'] = $this->calculate_performance_metrics(
266 $optimization['content_analysis'],
267 $optimization['template_compliance']
268 );
269
270 // Generate optimization recommendations
271 $optimization['recommendations'] = $this->generate_optimization_recommendations(
272 $optimization['content_analysis'],
273 $optimization['template_compliance'],
274 $content_type
275 );
276
277 // Identify optimization opportunities
278 $optimization['optimization_opportunities'] = $this->identify_optimization_opportunities(
279 $optimization['content_analysis'],
280 $optimization['template_compliance'],
281 $content_type
282 );
283
284 // Generate content suggestions
285 $optimization['content_suggestions'] = $this->generate_content_suggestions(
286 $optimization['content_analysis'],
287 $content_type,
288 $keywords
289 );
290
291 return $optimization;
292 }
293
294 /**
295 * Get real-time optimization score for content
296 *
297 * @since 1.0.0
298 *
299 * @param string $content Content to score
300 * @param array $keywords Target keywords
301 * @param string $content_type Content type
302 * @return array Real-time scoring results
303 */
304 public function get_realtime_score(string $content, array $keywords = [], string $content_type = 'blog_post'): array {
305 $scoring = [
306 'overall_score' => 0,
307 'component_scores' => [],
308 'quick_wins' => [],
309 'critical_issues' => [],
310 'score_breakdown' => [],
311 'improvement_potential' => 0
312 ];
313
314 // Quick content analysis for real-time feedback
315 $quick_analysis = $this->perform_quick_analysis($content, $keywords, $content_type);
316
317 // Calculate component scores
318 $scoring['component_scores'] = $this->calculate_component_scores($quick_analysis, $content_type);
319
320 // Calculate overall score
321 $scoring['overall_score'] = $this->calculate_weighted_score($scoring['component_scores']);
322
323 // Identify quick wins
324 $scoring['quick_wins'] = $this->identify_quick_wins($quick_analysis, $content_type);
325
326 // Identify critical issues
327 $scoring['critical_issues'] = $this->identify_critical_issues($quick_analysis, $content_type);
328
329 // Generate score breakdown
330 $scoring['score_breakdown'] = $this->generate_score_breakdown($scoring['component_scores']);
331
332 // Calculate improvement potential
333 $scoring['improvement_potential'] = $this->calculate_improvement_potential($scoring['component_scores']);
334
335 return $scoring;
336 }
337
338 /**
339 * Analyze template compliance for content type
340 *
341 * @since 1.0.0
342 *
343 * @param string $content Content to analyze
344 * @param string $content_type Content type
345 * @param array $keywords Target keywords
346 * @return array Template compliance analysis
347 */
348 public function analyze_template_compliance(string $content, string $content_type, array $keywords = []): array {
349 $template = $this->content_templates[$content_type] ?? $this->content_templates['blog_post'];
350
351 $compliance = [
352 'content_type' => $content_type,
353 'template_score' => 0,
354 'word_count_compliance' => [],
355 'heading_compliance' => [],
356 'keyword_compliance' => [],
357 'element_compliance' => [],
358 'compliance_percentage' => 0,
359 'missing_elements' => [],
360 'recommendations' => []
361 ];
362
363 // Analyze word count compliance
364 $compliance['word_count_compliance'] = $this->analyze_word_count_compliance($content, $template);
365
366 // Analyze heading structure compliance
367 $compliance['heading_compliance'] = $this->analyze_heading_compliance($content, $template);
368
369 // Analyze keyword density compliance
370 if (!empty($keywords)) {
371 $compliance['keyword_compliance'] = $this->analyze_keyword_compliance($content, $keywords, $template);
372 }
373
374 // Analyze content elements compliance
375 $compliance['element_compliance'] = $this->analyze_element_compliance($content, $template);
376
377 // Calculate template score
378 $compliance['template_score'] = $this->calculate_template_score($compliance);
379
380 // Calculate compliance percentage
381 $compliance['compliance_percentage'] = $this->calculate_compliance_percentage($compliance);
382
383 // Identify missing elements
384 $compliance['missing_elements'] = $this->identify_missing_elements($compliance, $template);
385
386 // Generate template recommendations
387 $compliance['recommendations'] = $this->generate_template_recommendations($compliance, $template);
388
389 return $compliance;
390 }
391
392 /**
393 * Track content performance over time
394 *
395 * @since 1.0.0
396 *
397 * @param string $context_type Context type
398 * @param int|null $context_id Context ID
399 * @param array $metrics Performance metrics
400 * @return array Performance tracking results
401 */
402 public function track_performance(string $context_type, ?int $context_id, array $metrics): array {
403 $tracking = [
404 'current_metrics' => $metrics,
405 'historical_data' => [],
406 'performance_trends' => [],
407 'improvement_rate' => 0,
408 'performance_score' => 0,
409 'benchmark_comparison' => [],
410 'tracking_timestamp' => current_time('mysql')
411 ];
412
413 // Get historical performance data
414 $tracking['historical_data'] = $this->get_historical_performance($context_type, $context_id);
415
416 // Calculate performance trends
417 $tracking['performance_trends'] = $this->calculate_performance_trends($tracking['historical_data'], $metrics);
418
419 // Calculate improvement rate
420 $tracking['improvement_rate'] = $this->calculate_improvement_rate($tracking['performance_trends']);
421
422 // Calculate overall performance score
423 $tracking['performance_score'] = $this->calculate_performance_score($metrics);
424
425 // Compare with benchmarks
426 $tracking['benchmark_comparison'] = $this->compare_with_benchmarks($metrics, $context_type);
427
428 // Store performance data
429 $this->store_performance_data($context_type, $context_id, $tracking);
430
431 return $tracking;
432 }
433
434 /**
435 * Validate SEO settings (implements interface)
436 *
437 * @since 1.0.0
438 *
439 * @param array $settings Settings array to validate
440 * @return array Validation results
441 */
442 public function validate_settings(array $settings): array {
443 $validation = [
444 'valid' => true,
445 'errors' => [],
446 'warnings' => [],
447 'suggestions' => [],
448 'score' => 100
449 ];
450
451 // Validate optimization weights
452 if (isset($settings['optimization_weights']) && is_array($settings['optimization_weights'])) {
453 $total_weight = array_sum($settings['optimization_weights']);
454 if ($total_weight !== 100) {
455 $validation['errors'][] = 'Optimization weights must total 100%';
456 $validation['valid'] = false;
457 }
458 }
459
460 // Validate content templates
461 if (isset($settings['content_templates']) && is_array($settings['content_templates'])) {
462 foreach ($settings['content_templates'] as $type => $template) {
463 if (!isset($template['min_word_count']) || !is_numeric($template['min_word_count'])) {
464 $validation['errors'][] = "Invalid min_word_count for content type: {$type}";
465 $validation['valid'] = false;
466 }
467 }
468 }
469
470 // Validate performance targets
471 if (isset($settings['performance_targets']) && is_array($settings['performance_targets'])) {
472 foreach ($settings['performance_targets'] as $metric => $target) {
473 if (!is_numeric($target) || $target < 0 || $target > 100) {
474 $validation['errors'][] = "Invalid performance target for {$metric}: must be 0-100";
475 $validation['valid'] = false;
476 }
477 }
478 }
479
480 // Validate optimization features
481 if (isset($settings['realtime_optimization']) && !is_bool($settings['realtime_optimization'])) {
482 $validation['errors'][] = 'Real-time optimization setting must be boolean';
483 $validation['valid'] = false;
484 }
485
486 if (isset($settings['auto_suggestions']) && !is_bool($settings['auto_suggestions'])) {
487 $validation['errors'][] = 'Auto suggestions setting must be boolean';
488 $validation['valid'] = false;
489 }
490
491 // Calculate validation score
492 $validation['score'] = $this->calculate_validation_score($validation);
493
494 return $validation;
495 }
496
497 /**
498 * Get output data for frontend rendering (implements interface)
499 *
500 * @since 1.0.0
501 *
502 * @param string $context_type The context type
503 * @param int|null $context_id Optional. Context ID
504 * @return array Output data ready for frontend rendering
505 */
506 public function get_output_data(string $context_type, ?int $context_id): array {
507 $settings = $this->get_settings($context_type, $context_id);
508
509 $output = [
510 'optimization_dashboard' => [],
511 'realtime_scoring' => [],
512 'content_templates' => [],
513 'performance_metrics' => [],
514 'recommendations' => [],
515 'enabled' => $settings['enabled'] ?? true
516 ];
517
518 if (!$output['enabled']) {
519 return $output;
520 }
521
522 // Get content for optimization
523 $content = $this->extract_content_for_optimization($context_type, $context_id);
524 $keywords = $this->extract_target_keywords($context_type, $context_id);
525 $content_type = $this->determine_content_type($context_type, $context_id);
526
527 if (!empty($content)) {
528 // Generate optimization dashboard
529 $output['optimization_dashboard'] = $this->generate_optimization_dashboard($content, $keywords, $content_type);
530
531 // Get real-time scoring
532 $output['realtime_scoring'] = $this->get_realtime_score($content, $keywords, $content_type);
533
534 // Get content templates
535 $output['content_templates'] = $this->get_content_templates_for_type($content_type);
536
537 // Get performance metrics
538 $output['performance_metrics'] = $this->get_performance_metrics($context_type, $context_id);
539
540 // Get optimization recommendations
541 $optimization_results = $this->optimize_content($content, $keywords, $content_type);
542 $output['recommendations'] = $optimization_results['recommendations'] ?? [];
543
544 // Store optimization results
545 $this->store_optimization_results($context_type, $context_id, $optimization_results);
546 }
547
548 return $output;
549 }
550
551 /**
552 * Get default settings for a context type (implements interface)
553 *
554 * @since 1.0.0
555 *
556 * @param string $context_type The context type to get defaults for
557 * @return array Default settings array
558 */
559 public function get_default_settings(string $context_type): array {
560 $defaults = [
561 'enabled' => true,
562 'realtime_optimization' => true,
563 'auto_suggestions' => true,
564 'performance_tracking' => true,
565 'template_compliance_check' => true,
566 'optimization_weights' => $this->optimization_weights,
567 'performance_targets' => [
568 'optimization_score' => 85,
569 'content_quality' => 80,
570 'keyword_performance' => 75,
571 'readability' => 70,
572 'technical_seo' => 90
573 ],
574 'notification_thresholds' => [
575 'critical' => 40,
576 'warning' => 60,
577 'success' => 85
578 ]
579 ];
580
581 // Context-specific defaults
582 switch ($context_type) {
583 case 'post':
584 $defaults['default_content_type'] = 'blog_post';
585 $defaults['performance_targets']['optimization_score'] = 85;
586 break;
587 case 'page':
588 $defaults['default_content_type'] = 'landing_page';
589 $defaults['performance_targets']['optimization_score'] = 90;
590 break;
591 case 'product':
592 $defaults['default_content_type'] = 'product_page';
593 $defaults['performance_targets']['optimization_score'] = 80;
594 break;
595 case 'category':
596 $defaults['default_content_type'] = 'category_page';
597 $defaults['performance_targets']['optimization_score'] = 75;
598 break;
599 }
600
601 return $defaults;
602 }
603
604 /**
605 * Get settings schema definition (implements interface)
606 *
607 * @since 1.0.0
608 *
609 * @param string $context_type The context type to get schema for
610 * @return array Settings schema definition
611 */
612 public function get_settings_schema(string $context_type): array {
613 return [
614 'enabled' => [
615 'type' => 'boolean',
616 'title' => 'Enable Content Optimization',
617 'description' => 'Enable content optimization engine and recommendations',
618 'default' => true
619 ],
620 'realtime_optimization' => [
621 'type' => 'boolean',
622 'title' => 'Real-time Optimization',
623 'description' => 'Enable real-time content scoring and feedback',
624 'default' => true
625 ],
626 'auto_suggestions' => [
627 'type' => 'boolean',
628 'title' => 'Auto Suggestions',
629 'description' => 'Automatically generate content improvement suggestions',
630 'default' => true
631 ],
632 'performance_tracking' => [
633 'type' => 'boolean',
634 'title' => 'Performance Tracking',
635 'description' => 'Track content performance metrics over time',
636 'default' => true
637 ],
638 'template_compliance_check' => [
639 'type' => 'boolean',
640 'title' => 'Template Compliance Check',
641 'description' => 'Check content against SEO templates and best practices',
642 'default' => true
643 ],
644 'optimization_score_target' => [
645 'type' => 'integer',
646 'title' => 'Optimization Score Target',
647 'description' => 'Target optimization score (0-100)',
648 'minimum' => 0,
649 'maximum' => 100,
650 'default' => 85
651 ],
652 'content_quality_target' => [
653 'type' => 'integer',
654 'title' => 'Content Quality Target',
655 'description' => 'Target content quality score (0-100)',
656 'minimum' => 0,
657 'maximum' => 100,
658 'default' => 80
659 ],
660 'default_content_type' => [
661 'type' => 'string',
662 'title' => 'Default Content Type',
663 'description' => 'Default content type for optimization templates',
664 'enum' => ['blog_post', 'product_page', 'landing_page', 'category_page'],
665 'default' => 'blog_post'
666 ]
667 ];
668 }
669
670 /**
671 * Calculate comprehensive optimization score
672 *
673 * @since 1.0.0
674 *
675 * @param array $content_analysis AI content analysis results
676 * @param array $template_compliance Template compliance results
677 * @return int Comprehensive optimization score (0-100)
678 */
679 private function calculate_comprehensive_optimization_score(array $content_analysis, array $template_compliance): int {
680 $scores = [];
681
682 // Content quality score (25% weight)
683 if (!empty($content_analysis['optimization_score'])) {
684 $scores['content_quality'] = $content_analysis['optimization_score'] * ($this->optimization_weights['content_quality'] / 100);
685 }
686
687 // Keyword optimization score (20% weight)
688 if (!empty($content_analysis['keyword_analysis']['optimization_score'])) {
689 $scores['keyword_optimization'] = $content_analysis['keyword_analysis']['optimization_score'] * ($this->optimization_weights['keyword_optimization'] / 100);
690 }
691
692 // Readability score (15% weight)
693 if (!empty($content_analysis['readability']['readability_score'])) {
694 $scores['readability'] = $content_analysis['readability']['readability_score'] * ($this->optimization_weights['readability'] / 100);
695 }
696
697 // Structure score (15% weight)
698 if (!empty($content_analysis['structure_analysis']['structure_score'])) {
699 $scores['structure'] = $content_analysis['structure_analysis']['structure_score'] * ($this->optimization_weights['structure'] / 100);
700 }
701
702 // Template compliance score (10% weight)
703 if (!empty($template_compliance['template_score'])) {
704 $scores['technical_seo'] = $template_compliance['template_score'] * ($this->optimization_weights['technical_seo'] / 100);
705 }
706
707 // User experience score (10% weight)
708 $ux_score = $this->calculate_user_experience_score($content_analysis, $template_compliance);
709 $scores['user_experience'] = $ux_score * ($this->optimization_weights['user_experience'] / 100);
710
711 // Semantic relevance score (5% weight)
712 if (!empty($content_analysis['semantic_analysis']['relevance_score'])) {
713 $scores['semantic_relevance'] = $content_analysis['semantic_analysis']['relevance_score'] * ($this->optimization_weights['semantic_relevance'] / 100);
714 }
715
716 return (int) round(array_sum($scores));
717 }
718
719 /**
720 * Perform quick analysis for real-time feedback
721 *
722 * @since 1.0.0
723 *
724 * @param string $content Content to analyze
725 * @param array $keywords Target keywords
726 * @param string $content_type Content type
727 * @return array Quick analysis results
728 */
729 private function perform_quick_analysis(string $content, array $keywords, string $content_type): array {
730 $analysis = [
731 'word_count' => str_word_count(wp_strip_all_tags($content)),
732 'character_count' => strlen(wp_strip_all_tags($content)),
733 'paragraph_count' => count(preg_split('/\n\s*\n/', trim($content), -1, PREG_SPLIT_NO_EMPTY)),
734 'heading_count' => preg_match_all('/<h[1-6][^>]*>/i', $content),
735 'image_count' => preg_match_all('/<img[^>]*>/i', $content),
736 'link_count' => preg_match_all('/<a[^>]*href/i', $content),
737 'keyword_density' => [],
738 'readability_estimate' => 0
739 ];
740
741 // Quick keyword density calculation
742 if (!empty($keywords)) {
743 $content_lower = strtolower(wp_strip_all_tags($content));
744 foreach ($keywords as $keyword) {
745 $keyword_lower = strtolower($keyword);
746 $occurrences = substr_count($content_lower, $keyword_lower);
747 $analysis['keyword_density'][$keyword] = $analysis['word_count'] > 0 ?
748 ($occurrences / $analysis['word_count']) * 100 : 0;
749 }
750 }
751
752 // Quick readability estimate
753 if ($analysis['word_count'] > 0 && $analysis['paragraph_count'] > 0) {
754 $avg_words_per_paragraph = $analysis['word_count'] / $analysis['paragraph_count'];
755 $analysis['readability_estimate'] = max(0, min(100, 100 - ($avg_words_per_paragraph * 2)));
756 }
757
758 return $analysis;
759 }
760
761 /**
762 * Calculate component scores for real-time feedback
763 *
764 * @since 1.0.0
765 *
766 * @param array $quick_analysis Quick analysis results
767 * @param string $content_type Content type
768 * @return array Component scores
769 */
770 private function calculate_component_scores(array $quick_analysis, string $content_type): array {
771 $template = $this->content_templates[$content_type] ?? $this->content_templates['blog_post'];
772 $scores = [];
773
774 // Word count score
775 $word_count = $quick_analysis['word_count'];
776 if ($word_count >= $template['optimal_word_count']) {
777 $scores['word_count'] = 100;
778 } elseif ($word_count >= $template['min_word_count']) {
779 $scores['word_count'] = 50 + (($word_count - $template['min_word_count']) /
780 ($template['optimal_word_count'] - $template['min_word_count'])) * 50;
781 } else {
782 $scores['word_count'] = ($word_count / $template['min_word_count']) * 50;
783 }
784
785 // Heading structure score
786 $heading_count = $quick_analysis['heading_count'];
787 $min_headings = $template['heading_structure']['h2_min'] ?? 2;
788 $scores['headings'] = min(100, ($heading_count / $min_headings) * 100);
789
790 // Keyword density score
791 $keyword_scores = [];
792 foreach ($quick_analysis['keyword_density'] as $keyword => $density) {
793 if ($density >= 1.0 && $density <= 3.0) {
794 $keyword_scores[] = 100;
795 } elseif ($density >= 0.5 && $density <= 5.0) {
796 $keyword_scores[] = 70;
797 } else {
798 $keyword_scores[] = 30;
799 }
800 }
801 $scores['keywords'] = !empty($keyword_scores) ? array_sum($keyword_scores) / count($keyword_scores) : 50;
802
803 // Readability score
804 $scores['readability'] = $quick_analysis['readability_estimate'];
805
806 // Content elements score
807 $element_score = 0;
808 if ($quick_analysis['image_count'] > 0) {
809 $element_score += 25;
810 }
811 if ($quick_analysis['link_count'] > 0) {
812 $element_score += 25;
813 }
814 if ($quick_analysis['paragraph_count'] >= 3) {
815 $element_score += 25;
816 }
817 if ($quick_analysis['heading_count'] >= 2) {
818 $element_score += 25;
819 }
820 $scores['elements'] = $element_score;
821
822 return $scores;
823 }
824
825 /**
826 * Calculate weighted score from component scores
827 *
828 * @since 1.0.0
829 *
830 * @param array $component_scores Component scores
831 * @return int Weighted overall score
832 */
833 private function calculate_weighted_score(array $component_scores): int {
834 $weights = [
835 'word_count' => 20,
836 'headings' => 15,
837 'keywords' => 25,
838 'readability' => 20,
839 'elements' => 20
840 ];
841
842 $weighted_sum = 0;
843 $total_weight = 0;
844
845 foreach ($component_scores as $component => $score) {
846 $weight = $weights[$component] ?? 0;
847 $weighted_sum += $score * $weight;
848 $total_weight += $weight;
849 }
850
851 return $total_weight > 0 ? (int) round($weighted_sum / $total_weight) : 0;
852 }
853
854 /**
855 * Identify quick wins for optimization
856 *
857 * @since 1.0.0
858 *
859 * @param array $quick_analysis Quick analysis results
860 * @param string $content_type Content type
861 * @return array Quick win recommendations
862 */
863 private function identify_quick_wins(array $quick_analysis, string $content_type): array {
864 $quick_wins = [];
865 $template = $this->content_templates[$content_type] ?? $this->content_templates['blog_post'];
866
867 // Word count quick wins
868 if ($quick_analysis['word_count'] < $template['min_word_count']) {
869 $needed_words = $template['min_word_count'] - $quick_analysis['word_count'];
870 $quick_wins[] = [
871 'type' => 'word_count',
872 'priority' => 'high',
873 'effort' => 'medium',
874 'impact' => 'high',
875 'message' => "Add {$needed_words} more words to reach minimum length",
876 'action' => 'Expand content with relevant information'
877 ];
878 }
879
880 // Heading quick wins
881 if ($quick_analysis['heading_count'] < 2) {
882 $quick_wins[] = [
883 'type' => 'headings',
884 'priority' => 'medium',
885 'effort' => 'low',
886 'impact' => 'medium',
887 'message' => 'Add more heading tags to improve structure',
888 'action' => 'Break content into sections with H2 and H3 tags'
889 ];
890 }
891
892 // Image quick wins
893 if ($quick_analysis['image_count'] === 0) {
894 $quick_wins[] = [
895 'type' => 'images',
896 'priority' => 'medium',
897 'effort' => 'low',
898 'impact' => 'medium',
899 'message' => 'Add images to improve engagement',
900 'action' => 'Include relevant images with alt text'
901 ];
902 }
903
904 // Keyword density quick wins
905 foreach ($quick_analysis['keyword_density'] as $keyword => $density) {
906 if ($density < 0.5) {
907 $quick_wins[] = [
908 'type' => 'keyword_density',
909 'priority' => 'high',
910 'effort' => 'low',
911 'impact' => 'high',
912 'message' => "Increase usage of keyword '{$keyword}'",
913 'action' => 'Add keyword naturally throughout content'
914 ];
915 }
916 }
917
918 return $quick_wins;
919 }
920
921 /**
922 * Identify critical issues requiring immediate attention
923 *
924 * @since 1.0.0
925 *
926 * @param array $quick_analysis Quick analysis results
927 * @param string $content_type Content type
928 * @return array Critical issues
929 */
930 private function identify_critical_issues(array $quick_analysis, string $content_type): array {
931 $critical_issues = [];
932 $template = $this->content_templates[$content_type] ?? $this->content_templates['blog_post'];
933
934 // Critical word count issues
935 if ($quick_analysis['word_count'] < ($template['min_word_count'] * 0.5)) {
936 $critical_issues[] = [
937 'type' => 'word_count',
938 'severity' => 'critical',
939 'message' => 'Content is severely under the minimum word count',
940 'impact' => 'SEO performance will be significantly impacted',
941 'action' => 'Substantially expand content before publishing'
942 ];
943 }
944
945 // Critical keyword issues
946 foreach ($quick_analysis['keyword_density'] as $keyword => $density) {
947 if ($density > 5.0) {
948 $critical_issues[] = [
949 'type' => 'keyword_stuffing',
950 'severity' => 'critical',
951 'message' => "Keyword '{$keyword}' may be over-optimized (keyword stuffing)",
952 'impact' => 'Search engines may penalize this content',
953 'action' => 'Reduce keyword density to 1-3%'
954 ];
955 }
956 }
957
958 // Critical structure issues
959 if ($quick_analysis['heading_count'] === 0) {
960 $critical_issues[] = [
961 'type' => 'no_headings',
962 'severity' => 'critical',
963 'message' => 'Content has no heading structure',
964 'impact' => 'Poor readability and SEO performance',
965 'action' => 'Add proper heading hierarchy (H1, H2, H3)'
966 ];
967 }
968
969 return $critical_issues;
970 }
971
972 /**
973 * Generate score breakdown for visualization
974 *
975 * @since 1.0.0
976 *
977 * @param array $component_scores Component scores
978 * @return array Score breakdown data
979 */
980 private function generate_score_breakdown(array $component_scores): array {
981 $breakdown = [];
982
983 foreach ($component_scores as $component => $score) {
984 $breakdown[] = [
985 'component' => $component,
986 'score' => (int) round($score),
987 'status' => $this->get_score_status($score),
988 'color' => $this->get_score_color($score),
989 'description' => $this->get_component_description($component)
990 ];
991 }
992
993 return $breakdown;
994 }
995
996 /**
997 * Calculate improvement potential
998 *
999 * @since 1.0.0
1000 *
1001 * @param array $component_scores Component scores
1002 * @return int Improvement potential percentage
1003 */
1004 private function calculate_improvement_potential(array $component_scores): int {
1005 $total_possible = count($component_scores) * 100;
1006 $current_total = array_sum($component_scores);
1007 $potential = $total_possible - $current_total;
1008
1009 return (int) round(($potential / $total_possible) * 100);
1010 }
1011
1012 /**
1013 * Extract content for optimization
1014 *
1015 * @since 1.0.0
1016 *
1017 * @param string $context_type Context type
1018 * @param int|null $context_id Context ID
1019 * @return string Content to optimize
1020 */
1021 private function extract_content_for_optimization(string $context_type, ?int $context_id): string {
1022 $content = '';
1023
1024 switch ($context_type) {
1025 case 'post':
1026 case 'page':
1027 case 'product':
1028 if ($context_id) {
1029 $post = get_post($context_id);
1030 if ($post) {
1031 $content = $post->post_title . ' ' . $post->post_content;
1032 }
1033 }
1034 break;
1035 case 'site':
1036 // Get homepage content
1037 $homepage_id = get_option('page_on_front');
1038 if ($homepage_id && $homepage_id !== '0') {
1039 $homepage = get_post($homepage_id);
1040 if ($homepage) {
1041 $content = $homepage->post_title . ' ' . $homepage->post_content;
1042 }
1043 } else {
1044 // Get recent posts for blog homepage
1045 $recent_posts = get_posts(['numberposts' => 3]);
1046 $content_parts = [];
1047 foreach ($recent_posts as $post) {
1048 $content_parts[] = $post->post_title . ' ' . wp_trim_words($post->post_content, 100);
1049 }
1050 $content = implode(' ', $content_parts);
1051 }
1052 break;
1053 }
1054
1055 return $content;
1056 }
1057
1058 /**
1059 * Extract target keywords for optimization
1060 *
1061 * @since 1.0.0
1062 *
1063 * @param string $context_type Context type
1064 * @param int|null $context_id Context ID
1065 * @return array Target keywords
1066 */
1067 private function extract_target_keywords(string $context_type, ?int $context_id): array {
1068 // This would typically get keywords from the database
1069 // For now, return some default keywords based on content
1070 $keywords = [];
1071
1072 $content = $this->extract_content_for_optimization($context_type, $context_id);
1073 if (!empty($content)) {
1074 // Simple keyword extraction from title and content
1075 $words = str_word_count(strtolower(wp_strip_all_tags($content)), 1);
1076 $word_counts = array_count_values($words);
1077
1078 // Remove common stop words
1079 $stop_words = ['the', 'and', 'or', 'but', 'in', 'on', 'at', 'to', 'for', 'of', 'with', 'by'];
1080 foreach ($stop_words as $stop_word) {
1081 unset($word_counts[$stop_word]);
1082 }
1083
1084 arsort($word_counts);
1085 $keywords = array_slice(array_keys($word_counts), 0, 5);
1086 }
1087
1088 return $keywords;
1089 }
1090
1091 /**
1092 * Determine content type from context
1093 *
1094 * @since 1.0.0
1095 *
1096 * @param string $context_type Context type
1097 * @param int|null $context_id Context ID
1098 * @return string Content type
1099 */
1100 private function determine_content_type(string $context_type, ?int $context_id): string {
1101 switch ($context_type) {
1102 case 'post':
1103 return 'blog_post';
1104 case 'page':
1105 return 'landing_page';
1106 case 'product':
1107 return 'product_page';
1108 case 'category':
1109 return 'category_page';
1110 default:
1111 return 'blog_post';
1112 }
1113 }
1114
1115 /**
1116 * Store optimization results in database
1117 *
1118 * @since 1.0.0
1119 *
1120 * @param string $context_type Context type
1121 * @param int|null $context_id Context ID
1122 * @param array $results Optimization results
1123 * @return bool Success status
1124 */
1125 private function store_optimization_results(string $context_type, ?int $context_id, array $results): bool {
1126 global $wpdb;
1127
1128 $table_name = $wpdb->prefix . 'thinkrank_seo_analysis';
1129
1130 $data = [
1131 'context_type' => $context_type,
1132 'context_id' => $context_id,
1133 'analysis_type' => 'content_optimization',
1134 'analysis_data' => wp_json_encode($results),
1135 'score' => $results['optimization_score'] ?? 0,
1136 'status' => 'completed',
1137 'recommendations' => wp_json_encode($results['recommendations'] ?? []),
1138 'analyzed_by' => get_current_user_id()
1139 ];
1140
1141 // phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery -- Optimization results storage requires direct database access
1142 $result = $wpdb->insert($table_name, $data);
1143
1144 return $result !== false;
1145 }
1146
1147 /**
1148 * Calculate validation score
1149 *
1150 * @since 1.0.0
1151 *
1152 * @param array $validation Validation results
1153 * @return int Score (0-100)
1154 */
1155 private function calculate_validation_score(array $validation): int {
1156 $score = 100;
1157 $score -= count($validation['errors']) * 20;
1158 $score -= count($validation['warnings']) * 10;
1159 $score -= count($validation['suggestions']) * 5;
1160
1161 return max(0, $score);
1162 }
1163
1164 /**
1165 * Get score status based on score value
1166 *
1167 * @since 1.0.0
1168 *
1169 * @param float $score Score value
1170 * @return string Status
1171 */
1172 private function get_score_status(float $score): string {
1173 if ($score >= 85) {
1174 return 'excellent';
1175 } elseif ($score >= 70) {
1176 return 'good';
1177 } elseif ($score >= 50) {
1178 return 'fair';
1179 } else {
1180 return 'poor';
1181 }
1182 }
1183
1184 /**
1185 * Get score color based on score value
1186 *
1187 * @since 1.0.0
1188 *
1189 * @param float $score Score value
1190 * @return string Color code
1191 */
1192 private function get_score_color(float $score): string {
1193 if ($score >= 85) {
1194 return '#28a745'; // Green
1195 } elseif ($score >= 70) {
1196 return '#20c997'; // Teal
1197 } elseif ($score >= 50) {
1198 return '#ffc107'; // Yellow
1199 } else {
1200 return '#dc3545'; // Red
1201 }
1202 }
1203
1204 /**
1205 * Get component description
1206 *
1207 * @since 1.0.0
1208 *
1209 * @param string $component Component name
1210 * @return string Description
1211 */
1212 private function get_component_description(string $component): string {
1213 $descriptions = [
1214 'word_count' => 'Content length and depth',
1215 'headings' => 'Heading structure and organization',
1216 'keywords' => 'Keyword optimization and density',
1217 'readability' => 'Reading ease and comprehension',
1218 'elements' => 'Content elements (images, links, etc.)'
1219 ];
1220
1221 return $descriptions[$component] ?? 'Content optimization component';
1222 }
1223
1224 /**
1225 * Simple implementations for helper methods
1226 * These would be enhanced with more sophisticated algorithms in production
1227 */
1228
1229 private function analyze_word_count_compliance(string $content, array $template): array {
1230 $word_count = str_word_count(wp_strip_all_tags($content));
1231 $min_words = $template['min_word_count'];
1232 $optimal_words = $template['optimal_word_count'];
1233
1234 $compliance_score = 0;
1235 if ($word_count >= $optimal_words) {
1236 $compliance_score = 100;
1237 } elseif ($word_count >= $min_words) {
1238 $compliance_score = 50 + (($word_count - $min_words) / ($optimal_words - $min_words)) * 50;
1239 } else {
1240 $compliance_score = ($word_count / $min_words) * 50;
1241 }
1242
1243 return [
1244 'current_count' => $word_count,
1245 'min_required' => $min_words,
1246 'optimal_count' => $optimal_words,
1247 'compliance_score' => (int) round($compliance_score),
1248 'status' => $word_count >= $min_words ? 'compliant' : 'non_compliant'
1249 ];
1250 }
1251
1252 private function analyze_heading_compliance(string $content, array $template): array {
1253 $heading_counts = [];
1254 for ($i = 1; $i <= 6; $i++) {
1255 $heading_counts["h{$i}"] = preg_match_all("/<h{$i}[^>]*>/i", $content);
1256 }
1257
1258 $compliance_score = 100;
1259 $issues = [];
1260
1261 // Check H1 count
1262 if ($heading_counts['h1'] !== 1) {
1263 $compliance_score -= 30;
1264 $issues[] = 'Should have exactly one H1 tag';
1265 }
1266
1267 // Check H2 minimum
1268 $h2_min = $template['heading_structure']['h2_min'] ?? 2;
1269 if ($heading_counts['h2'] < $h2_min) {
1270 $compliance_score -= 20;
1271 $issues[] = "Should have at least {$h2_min} H2 tags";
1272 }
1273
1274 return [
1275 'heading_counts' => $heading_counts,
1276 'compliance_score' => max(0, $compliance_score),
1277 'issues' => $issues,
1278 'status' => empty($issues) ? 'compliant' : 'non_compliant'
1279 ];
1280 }
1281
1282 private function analyze_keyword_compliance(string $content, array $keywords, array $template): array {
1283 $content_lower = strtolower(wp_strip_all_tags($content));
1284 $word_count = str_word_count($content_lower);
1285 $compliance_data = [];
1286
1287 foreach ($keywords as $index => $keyword) {
1288 $keyword_lower = strtolower($keyword);
1289 $occurrences = substr_count($content_lower, $keyword_lower);
1290 $density = $word_count > 0 ? ($occurrences / $word_count) * 100 : 0;
1291
1292 $keyword_type = $index === 0 ? 'primary' : 'secondary';
1293 $target_range = $template['keyword_density'][$keyword_type] ?? [1.0, 3.0];
1294
1295 $compliance_data[] = [
1296 'keyword' => $keyword,
1297 'type' => $keyword_type,
1298 'density' => round($density, 2),
1299 'target_range' => $target_range,
1300 'compliant' => $density >= $target_range[0] && $density <= $target_range[1]
1301 ];
1302 }
1303
1304 return $compliance_data;
1305 }
1306
1307 private function analyze_element_compliance(string $content, array $template): array {
1308 $elements = $template['content_elements'] ?? [];
1309 $compliance_data = [];
1310
1311 // Check images
1312 if (isset($elements['images'])) {
1313 $image_count = preg_match_all('/<img[^>]*>/i', $content);
1314 $min_images = $elements['images']['min'] ?? 1;
1315 $compliance_data['images'] = [
1316 'current' => $image_count,
1317 'required' => $min_images,
1318 'compliant' => $image_count >= $min_images
1319 ];
1320 }
1321
1322 // Check internal links
1323 if (isset($elements['internal_links'])) {
1324 $link_count = preg_match_all('/<a[^>]*href/i', $content);
1325 $min_links = $elements['internal_links']['min'] ?? 2;
1326 $compliance_data['internal_links'] = [
1327 'current' => $link_count,
1328 'required' => $min_links,
1329 'compliant' => $link_count >= $min_links
1330 ];
1331 }
1332
1333 return $compliance_data;
1334 }
1335
1336 private function calculate_template_score(array $compliance): int {
1337 $scores = [];
1338
1339 if (!empty($compliance['word_count_compliance']['compliance_score'])) {
1340 $scores[] = $compliance['word_count_compliance']['compliance_score'];
1341 }
1342
1343 if (!empty($compliance['heading_compliance']['compliance_score'])) {
1344 $scores[] = $compliance['heading_compliance']['compliance_score'];
1345 }
1346
1347 // Add other compliance scores
1348
1349 return !empty($scores) ? (int) round(array_sum($scores) / count($scores)) : 0;
1350 }
1351
1352 private function calculate_compliance_percentage(array $compliance): int {
1353 $total_checks = 0;
1354 $passed_checks = 0;
1355
1356 // Count word count compliance
1357 if (!empty($compliance['word_count_compliance'])) {
1358 $total_checks++;
1359 if ($compliance['word_count_compliance']['status'] === 'compliant') {
1360 $passed_checks++;
1361 }
1362 }
1363
1364 // Count heading compliance
1365 if (!empty($compliance['heading_compliance'])) {
1366 $total_checks++;
1367 if ($compliance['heading_compliance']['status'] === 'compliant') {
1368 $passed_checks++;
1369 }
1370 }
1371
1372 return $total_checks > 0 ? (int) round(($passed_checks / $total_checks) * 100) : 0;
1373 }
1374
1375 private function identify_missing_elements(array $compliance, array $template): array {
1376 $missing = [];
1377
1378 // Check for missing content elements
1379 if (!empty($compliance['element_compliance'])) {
1380 foreach ($compliance['element_compliance'] as $element => $data) {
1381 if (!$data['compliant']) {
1382 $missing[] = [
1383 'element' => $element,
1384 'current' => $data['current'],
1385 'required' => $data['required']
1386 ];
1387 }
1388 }
1389 }
1390
1391 return $missing;
1392 }
1393
1394 private function generate_template_recommendations(array $compliance, array $template): array {
1395 $recommendations = [];
1396
1397 // Word count recommendations
1398 if (!empty($compliance['word_count_compliance']) &&
1399 $compliance['word_count_compliance']['status'] === 'non_compliant') {
1400 $needed = $compliance['word_count_compliance']['min_required'] -
1401 $compliance['word_count_compliance']['current_count'];
1402 $recommendations[] = [
1403 'type' => 'word_count',
1404 'priority' => 'high',
1405 'message' => "Add {$needed} more words to meet minimum requirements",
1406 'action' => 'Expand content with relevant information'
1407 ];
1408 }
1409
1410 // Heading recommendations
1411 if (!empty($compliance['heading_compliance']['issues'])) {
1412 foreach ($compliance['heading_compliance']['issues'] as $issue) {
1413 $recommendations[] = [
1414 'type' => 'headings',
1415 'priority' => 'medium',
1416 'message' => $issue,
1417 'action' => 'Improve heading structure'
1418 ];
1419 }
1420 }
1421
1422 return $recommendations;
1423 }
1424
1425 private function calculate_user_experience_score(array $content_analysis, array $template_compliance): int {
1426 $score = 100;
1427
1428 // Deduct for poor readability
1429 if (!empty($content_analysis['readability']['readability_score'])) {
1430 if ($content_analysis['readability']['readability_score'] < 60) {
1431 $score -= 30;
1432 }
1433 }
1434
1435 // Deduct for poor structure
1436 if (!empty($template_compliance['heading_compliance']['compliance_score'])) {
1437 if ($template_compliance['heading_compliance']['compliance_score'] < 70) {
1438 $score -= 20;
1439 }
1440 }
1441
1442 return max(0, $score);
1443 }
1444
1445 // Placeholder implementations for methods referenced but not yet implemented
1446 private function calculate_performance_metrics(array $content_analysis, array $template_compliance): array {
1447 return ['performance_score' => 80, 'metrics' => []];
1448 }
1449
1450 private function generate_optimization_recommendations(array $content_analysis, array $template_compliance, string $content_type): array {
1451 $recommendations = [];
1452
1453 // Merge recommendations from different sources
1454 if (!empty($content_analysis['recommendations'])) {
1455 $recommendations = array_merge($recommendations, $content_analysis['recommendations']);
1456 }
1457
1458 if (!empty($template_compliance['recommendations'])) {
1459 $recommendations = array_merge($recommendations, $template_compliance['recommendations']);
1460 }
1461
1462 return $recommendations;
1463 }
1464
1465 private function identify_optimization_opportunities(array $content_analysis, array $template_compliance, string $content_type): array {
1466 return ['opportunities' => [], 'potential_impact' => 'medium'];
1467 }
1468
1469 private function generate_content_suggestions(array $content_analysis, string $content_type, array $keywords): array {
1470 return ['suggestions' => [], 'content_ideas' => []];
1471 }
1472
1473 private function generate_optimization_dashboard(string $content, array $keywords, string $content_type): array {
1474 return ['dashboard_data' => [], 'widgets' => []];
1475 }
1476
1477 private function get_content_templates_for_type(string $content_type): array {
1478 return $this->content_templates[$content_type] ?? $this->content_templates['blog_post'];
1479 }
1480
1481 private function get_performance_metrics(string $context_type, ?int $context_id): array {
1482 return ['metrics' => [], 'trends' => []];
1483 }
1484
1485 private function get_historical_performance(string $context_type, ?int $context_id): array {
1486 return ['historical_data' => []];
1487 }
1488
1489 private function calculate_performance_trends(array $historical_data, array $current_metrics): array {
1490 return ['trends' => []];
1491 }
1492
1493 private function calculate_improvement_rate(array $performance_trends): float {
1494 return 0.0;
1495 }
1496
1497 private function calculate_performance_score(array $metrics): int {
1498 return 80;
1499 }
1500
1501 private function compare_with_benchmarks(array $metrics, string $context_type): array {
1502 return ['benchmark_comparison' => []];
1503 }
1504
1505 private function store_performance_data(string $context_type, ?int $context_id, array $tracking): bool {
1506 return true;
1507 }
1508 }
1509